Question

the vertical angle of an iso- scales triangle is 40° . Each of the base angles is​

Answer 1

Answer:

70°

Step-by-step explanation:

In triangle ABC

<A = 40°

<B=<C = 180-40/2 = 140/2 = 70°

Answer 2

A᭄nswer:-

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Step-by-step explanation:

Let the base angles be x

therefore,

x+x+40° = 180°

2x = 180°-40°

2x = 140°

x = 70°

therefore

.°. the base angles of a triangle are 70°,70°